From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Title page for the Goshawk II.
| Identifier | ExFiles\Box 5\4\ 04-page007 | |
| Date | 17th November 1920 guessed | |
| Goshawk II | ||